A robot hand includes a motor, claws configured to grip a workpiece in accordance with rotation of the motor, an encoder configured to detect a rotational position of the motor, and a control device configured to control a torque of the motor such that the claws grip the workpiece in accordance with the rotational position.

An inspection system for carrying out an inspection method for a pillar-shaped honeycomb structure, the inspection system including: a robot arm with a robot hand at a tip of the robot arm, the robot hand comprising a pair of gripping surfaces capable of gripping the pillar-shaped honeycomb structure from the first end surface and the second end surface, the pair of gripping surfaces being configured to be able to rotate the pillar-shaped honeycomb structure at a predetermined rotational speed while gripping the pillar-shaped honeycomb structure from the first end surface and the second end surface; the area camera for the side surface; a screen that can display the strip-shaped images; and a controller that can at least set a rotation speed of the pair of gripping surfaces and the shutter speed of the area camera for the side surface.